Ticker · CUSIP 771049103

RBLX

ROBLOX CORP
Communication Services·Electronic Gaming & Multimedia
···Share
Holders (tracked)
29
Combined shares
90,613,164
Combined value
$7.02B
Last close
$60.44
Quarter
2025Q4
Tracked holders · last 8 quarters
+4 vs previous quarter over the last 8.
29212024Q12025Q4
Price is -22.0% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

30 events
  1. Reinstra Mark · Chief Legal Off. & Corp. Sec.
    2026-04-13
    Sold $1.07M @ $57.94
    Insider sell
  2. Reinstra Mark · Chief Legal Off. & Corp. Sec.
    2026-04-13
    Sold $5.8K @ $58.47
    Insider sell
  3. Kaufman Matthew D · Chief Safety Officer
    2026-04-13
    Sold $766.3K @ $57.94
    Insider sell
  4. Kaufman Matthew D · Chief Safety Officer
    2026-04-13
    Sold $5.8K @ $58.45
    Insider sell
  5. Jeremy Grantham (GMO) exited2026-02-17
    −3,220 shares · 2025Q4
    13F
  6. D.E. Shaw & Co. added2026-02-17
    +975,327 shares · 2025Q4
    13F
  7. Wellington Management added2026-02-17
    +196,484 shares · 2025Q4
    13F
  8. AQR Capital Management added2026-02-17
    +615,299 shares · 2025Q4
    13F
  9. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +274,875 shares · 2025Q4
    13F
  10. Whale Rock Capital added2026-02-17
    +385,533 shares · 2025Q4
    13F
  11. Izzy Englander (Millennium Mgmt) added2026-02-17
    +1,084,636 shares · 2025Q4
    13F
  12. ValueAct Holdings added2026-02-17
    +1,692,600 shares · 2025Q4
    13F
  13. Ken Griffin (Citadel Advisors) added2026-02-17
    +927,350 shares · 2025Q4
    13F
  14. Two Sigma Investments added2026-02-17
    +1,313,916 shares · 2025Q4
    13F
  15. Steve Cohen (Point72) trimmed2026-02-17
    −201,647 shares · 2025Q4
    13F
  16. T. Rowe Price trimmed2026-02-17
    −2,002,079 shares · 2025Q4
    13F
  17. Lee Ainslie (Maverick Capital) added2026-02-13
    +106,251 shares · 2025Q4
    13F
  18. Sands Capital Management trimmed2026-02-13
    −293,089 shares · 2025Q4
    13F
  19. George Soros (Soros Fund Mgmt) opened position2026-02-13
    +10,335 shares · 2025Q4
    13F
  20. Ray Dalio (Bridgewater Associates) trimmed2026-02-13
    −69,037 shares · 2025Q4
    13F
  21. Renaissance Technologies trimmed2026-02-12
    −255,036 shares · 2025Q4
    13F
  22. Cathie Wood (ARK Invest) trimmed2026-02-11
    −478,484 shares · 2025Q4
    13F
  23. Norges Bank (Norway SWF) opened position2026-02-10
    +5,373,613 shares · 2025Q4
    13F
  24. Baillie Gifford & Co trimmed2026-01-23
    −1,753,075 shares · 2025Q4
    13F
  25. Steve Cohen (Point72) trimmed2025-11-14
    −75,991 shares · 2025Q3
    13F
  26. Two Sigma Investments trimmed2025-11-14
    −788,667 shares · 2025Q3
    13F
  27. D.E. Shaw & Co. added2025-11-14
    +98,001 shares · 2025Q3
    13F
  28. AQR Capital Management added2025-11-14
    +665,127 shares · 2025Q3
    13F
  29. Izzy Englander (Millennium Mgmt) added2025-11-14
    +103,430 shares · 2025Q3
    13F
  30. Lee Ainslie (Maverick Capital) added2025-11-14
    +16,672 shares · 2025Q3
    13F

Insider activity

Last 30 days
Net (open-market)
−$1.85M
Buys
0 · $0
Sells
4 · $1.85M
Unique insiders
2
DateInsiderCodeSharesPriceValue
04-13Reinstra Mark
Chief Legal Off. & Corp. Sec. · Officer
S18,553$57.94$1.07M
04-13Reinstra Mark
Chief Legal Off. & Corp. Sec. · Officer
S100$58.47$5.8K
04-13Kaufman Matthew D
Chief Safety Officer · Officer
S13,225$57.94$766.3K
04-13Kaufman Matthew D
Chief Safety Officer · Officer
S100$58.45$5.8K
View full insider history for RBLX →
Follow-the-investor returns
If you'd copied each holder of RBLX…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
T. Rowe Price2021Q1$23.90+152.8%$235.5M
Baillie Gifford & Co2022Q1$28.78+110.0%$1.30B
Cathie Wood (ARK Invest)2021Q1$42.34+42.7%$292.2M
Sands Capital Management2024Q3$44.26+36.6%$192.4M
Steve Cohen (Point72)2021Q1$48.23+25.3%$15.2M
Steve Cohen (Point72)2021Q1$48.23+25.3%$15.2M
Steve Cohen (Point72)2021Q1$48.23+25.3%$15.2M
ValueAct Holdings2023Q3$52.51+15.1%$361.2M
AQR Capital Management2023Q2$61.41-1.6%$623.3M
Norges Bank (Norway SWF)2021Q1$63.35-4.6%$324.8M
Renaissance Technologies2021Q2$65.22-7.3%$400.6M
Wellington Management2021Q3$65.39-7.6%$106.6M
Paul Tudor Jones (Tudor Investment)2021Q1$75.01-19.4%$17.5M
Paul Tudor Jones (Tudor Investment)2021Q1$75.01-19.4%$17.5M
Paul Tudor Jones (Tudor Investment)2021Q1$75.01-19.4%$17.5M
Whale Rock Capital2021Q2$77.00-21.5%$248.1M
George Soros (Soros Fund Mgmt)2025Q4$81.03-25.4%$625K
Izzy Englander (Millennium Mgmt)2021Q1$82.66-26.9%$12.1M
Izzy Englander (Millennium Mgmt)2021Q1$82.66-26.9%$12.1M
Izzy Englander (Millennium Mgmt)2021Q1$82.66-26.9%$12.1M
D.E. Shaw & Co.2021Q2$87.54-31.0%$47.0M
D.E. Shaw & Co.2021Q2$87.54-31.0%$47.0M
D.E. Shaw & Co.2021Q2$87.54-31.0%$47.0M
Lee Ainslie (Maverick Capital)2023Q1$94.17-35.8%$31.3M
Ken Griffin (Citadel Advisors)2021Q2$98.73-38.8%$269.1M
Ken Griffin (Citadel Advisors)2021Q2$98.73-38.8%$269.1M
Ken Griffin (Citadel Advisors)2021Q2$98.73-38.8%$269.1M
Two Sigma Investments2021Q1$113.28-46.6%$181.8M
Ray Dalio (Bridgewater Associates)2025Q3$138.52-56.4%$1.3M

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions3
Added to9
Trimmed7
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
21
$39.41B
2022Q2
18
$2.84B
2022Q3
19
$93.1M
2022Q4
19
$2.27B
2023Q1
21
$3.93B
2023Q2
24
$3.51B
2023Q3
20
$2.57B
2023Q4
18
$4.32B
2024Q1
21
$3.35B
2024Q2
23
$3.61B
2024Q3
22
$4.02B
2024Q4
21
$5.19B
2025Q1
22
$5.08B
2025Q2
24
$8.73B
2025Q3
25
$10.55B
2025Q4
29
$7.02B
Congress members trading this stock
DateMemberTypeAmount rangeFiling
2025-12-24Gilbert CisnerosSell$1K – $15KPDF ↗
2025-11-18Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-11-07Gilbert CisnerosBuy$1K – $15KPDF ↗
2025-10-22Julia LetlowSell$1K – $15KPDF ↗
2025-10-16Julia LetlowBuy$1K – $15KPDF ↗
2025-09-23Valerie HoyleSell$1K – $15KPDF ↗

Who owns RBLX

29 super-investors · 2025Q4
Tracked stake
90.61M
shares
Combined value
$7.02B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New5Added15Trim9
#ManagerSharesValue
1Baillie Gifford & Co21.54M$1.75B
2AQR Capital Management10.31M$833M
3Renaissance Technologies6.63M$537M
4D.E. Shaw & Co.6.01M$487M
5ValueAct Holdings5.98M$484M
6Norges Bank
Norway SWF
5.37M$435M
7Cathie Wood
ARK Invest
4.83M$392M
8Ken Griffin
Citadel Advisors
4.45M$361M
9Whale Rock Capital4.11M$333M
10Sands Capital Management3.18M$258M
11Two Sigma Investments3.01M$244M
12Izzy Englander
Millennium Mgmt
2.05M$166M
13Ken Griffin
Citadel Advisors
1.99M$161M
14Wellington Management1.76M$143M
15Ken Griffin
Citadel Advisors
1.76M$143M
16D.E. Shaw & Co.778.4K$63M
17D.E. Shaw & Co.744.3K$60M
18Lee Ainslie
Maverick Capital
517.8K$42M
19Paul Tudor Jones
Tudor Investment
288.9K$23M
20Steve Cohen
Point72
276.6K$22M
21Paul Tudor Jones
Tudor Investment
274.9K$22M
22Steve Cohen
Point72
251.7K$20M
23Steve Cohen
Point72
208.0K$17M
24Izzy Englander
Millennium Mgmt
200.5K$16M
25Paul Tudor Jones
Tudor Investment
74.9K$6M
26Izzy Englander
Millennium Mgmt
73.8K$6M
27Ray Dalio
Bridgewater Associates
20.7K$2M
28George Soros
Soros Fund Mgmt
10.3K$837K
29T. Rowe Price3.90M$316K

Recent moves

20 transactions
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